Chuck Metals stands out as a reliable manufacturer and supplier based in Singapore, Pulau Ujong, specializing in top-notch Incoloy 925 Forgings. These forgings are crafted for outstanding strength and corrosion resistance, making them perfect for tough environments. Made from a nickel–iron–chromium alloy with added molybdenum, copper, and titanium, they blend the mechanical strength of precipitation hardening with impressive resistance to stress-corrosion cracking and pitting. Chuck Metals is committed to precise manufacturing and adheres to international quality standards, offering these forgings in various dimensions. This makes Incoloy 925 Forgings a go-to choice for demanding industries like oil & gas, marine, and chemical processing.
Incoloy 925 Forgings are composed of nickel (38–46%), iron (the balance), chromium (19.5–23.5%), molybdenum (2.5–3.5%), copper (1.5–3%), titanium (0.6–2.4%), along with trace elements of manganese, silicon, and carbon. They boast a tensile strength of about 760 MPa, a yield strength of 517 MPa, and excellent elongation properties. The well-balanced composition of the alloy ensures it has high resistance to sulfide stress cracking, chloride-induced corrosion, and oxidizing agents.
Specifications ASTM B637 / ASME SB637
Flat bar blocks up to 27″ width and 15,000 lbs.
Cylinders and sleeves up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts up to 144″ maximum length and 20,000 lbs.
| Grade | Ni% | Cr% | Fe% | Mo% | Cu% | Ti% | Al% | Mn% | Si% | Nb% | C% | S% |
| Incoloy 925 | 42.0-46.0 | 19.5-22.5 | Min 22 | 2.5-3.5 | 1.5-3.0 | 1.9-2.4 | 0.1-0.5 | Max 1.0 | Max 0.5 | Max 0.5 | Max 0.03 | Max 0.03 |
| UNS | Heat Treatment | Tensile Strength, min, psi (MPa) | Yield Strength (0.2 % offset), min, psi (MPa) | Elongation in 2 in. (50 mm) or 4D, min, % | Reduction of Area, min, % | Brinell or (Rockwell C) Hardness |
| ASTM B637 UNS N09925 | solution + precipitation harden | 140 000 (965) | 105 000 (724) / 110 000 (758) | 18 | 25 | 346 max (38, Rc max) |
| STANDARD | UNS | WNR. |
| Alloy 925 | N09925 | – |
The ideal temperature range for forging Incoloy 925 is between 1,800°F (982°C) and 2,200°F (1,204°C). Forging should be done within this range to achieve optimal material properties and avoid overheating.
Incoloy 925 forgings require minimal maintenance due to their excellent corrosion resistance. Regular inspection for signs of wear, cracks, or environmental damage is recommended to ensure long-term performance.
Incoloy 925 forgings have limited high-temperature strength beyond 1,600°F (871°C) and may suffer from reduced ductility in extreme conditions. They also exhibit moderate resistance to pitting and crevice corrosion in highly aggressive environments.
These forgings find extensive applications in oilfield equipment, marine hardware, chemical processing plants, pump shafts, valves, fasteners, and piping systems. Their durability in both sour-gas and seawater environments makes them a trusted option for critical applications where strength and corrosion resistance are paramount.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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